Complete Phase 2 implementation with working unit converter:
Core Conversion Engine (lib/units.ts):
- Type-safe wrapper for convert-units library
- Support for all 23 measures with TypeScript types
- getAllMeasures() - Get all available categories
- getUnitsForMeasure() - Get units for specific measure
- getUnitInfo() - Get detailed unit information
- convertUnit() - Convert between two units
- convertToAll() - Convert to all compatible units
- getCategoryColor() - Get Tailwind color class for measure
- formatMeasureName() - Format measure names for display
- searchUnits() - Fuzzy search across all units
Utility Functions (lib/utils.ts):
- cn() - Merge Tailwind classes with clsx and tailwind-merge
- formatNumber() - Smart number formatting with scientific notation
- debounce() - Debounce helper for inputs
- parseNumberInput() - Parse user input to number
- getRelativeTime() - Format timestamps
UI Components:
- Input - Styled input with focus states
- Button - 6 variants (default, destructive, outline, secondary, ghost, link)
- Card - Card container with header, title, description, content, footer
Main Converter Component (components/converter/MainConverter.tsx):
- Real-time conversion as user types
- Category selection with 23 color-coded buttons
- Input field with unit selector
- Grid display of all conversions in selected measure
- Color-coded result cards with category colors
- Responsive layout (1/2/3 column grid)
Homepage Updates:
- Integrated MainConverter component
- Clean header with gradient text
- Uses design system colors
Dependencies Added:
- clsx - Class name utilities
- tailwind-merge - Merge Tailwind classes intelligently
Features Working:
✓ Select from 23 measurement categories
✓ Real-time conversion to all compatible units
✓ Color-coded categories
✓ Formatted number display
✓ Responsive design
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Enhanced globals.css based on pastel-ui best practices:
Features added:
- @source directives for automatic component discovery
- @custom-variant for dark mode support
- Complete design system with :root and .dark themes
- OKLCH color space for better color precision
- shadcn/ui compatible color tokens (background, foreground, card, etc.)
- @theme inline block with Tailwind v4 color definitions
- 23 category colors converted to OKLCH format
- Custom animations system with 8 predefined animations
- @layer base with global styles
- Smooth transitions and custom scrollbar styling
- Screen reader utility class (.sr-only)
- Animation keyframes for all custom animations
Design system includes:
- Light/dark mode support with OKLCH colors
- Semantic color tokens (primary, secondary, muted, accent, destructive)
- Border radius variable (--radius)
- Smooth 200ms transitions
- Category-specific colors for all 23 unit types in OKLCH
- Custom animations: fadeIn, slideUp/Down, slideInRight/Left, scaleIn, bounceGentle, shimmer
Accessibility features:
- Proper outline ring on focus
- Theme transition prevention during theme switch
- Custom scrollbar with hover states
- Screen reader only utility
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Set up complete Next.js 16 development environment:
- Next.js 16.0.1 with App Router and Turbopack
- React 19.2.0 with TypeScript 5.9
- Tailwind CSS 4.1.17 with custom category colors
- ESLint 9 with Next.js config
- Static site generation enabled (output: 'export')
Project structure:
- app/ directory with layout, page, and globals.css
- Tailwind config with 23 category-specific colors
- TypeScript config with strict mode and path aliases
- Complete .gitignore for Next.js projects
Dependencies installed:
- convert-units 2.3.4 for unit conversions
- All React 19 and Next.js 16 dependencies
- Development tooling (TypeScript, ESLint, Tailwind)
Ready for Phase 2: Core conversion engine implementation
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Update IMPLEMENTATION_PLAN.md to reflect accurate count from convert-units:
- Correct from estimated 13-27 categories to actual 23 categories
- Add complete list of all 23 measures with individual unit counts
- Total of 187 individual units across all categories
- Expand color palette from 8 to 23 distinct category colors
- Update visual comparison section with all 23 color assignments
New categories include:
- Angle, Apparent Power, Current, Illuminance, Pace
- Parts Per, Reactive Energy, Reactive Power, Voltage
- Volume Flow Rate (37 units - largest category)
Discovered through direct library inspection of convert-units package.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Add detailed implementation plan covering:
- Innovative UX features (real-time conversion, visual comparison, power user features)
- Technical architecture with Next.js 16, TypeScript, and Tailwind CSS 4
- Component structure and state management design
- 8-phase implementation roadmap
- Design system with category-based color palette
- Support for 13+ unit categories from convert-units library
- Performance targets and accessibility requirements
- Mobile-first responsive design strategy
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
